medium Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, _] → [8, _, 12] → [3, 5, _, 4]

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Answer: Row2[2]=25, Row3[2]=13, Row1[1]=46, Row4[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [21,25]
  • [8,13,12]
  • [3,5,8,4]
Base
  • 3
  • 5
  • 8
  • 4
TopValue
46
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":1,"v":13}
  • {"r":0,"c":0,"v":46}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, 21] → [13, _, 10] → [_, _, 6, 4]

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Answer: Row4[1]=8, Row1[1]=45, Row3[2]=11, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [24,21]
  • [13,11,10]
  • [8,5,6,4]
Base
  • 8
  • 5
  • 6
  • 4
TopValue
45
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":0,"c":0,"v":45}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, 15] → [7, 7, _] → [_, _, 6, 2]

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Answer: Row4[2]=1, Row2[1]=14, Row4[1]=6, Row3[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [29]
  • [14,15]
  • [7,7,8]
  • [6,1,6,2]
Base
  • 6
  • 1
  • 6
  • 2
TopValue
29
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":0,"v":14}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [11, _] → [8, 3, 9] → [_, _, _, 7]

Show answer

Answer: Row4[1]=7, Row4[2]=1, Row4[3]=2, Row2[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [11,12]
  • [8,3,9]
  • [7,1,2,7]
Base
  • 7
  • 1
  • 2
  • 7
TopValue
23
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":1,"v":1}
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":1,"v":12}